Revert "[metrics] Add background reporting thread"

This reverts commit 77f7eb9d05b6d05531556882d99ed63688c6e3b0.

Reason for revert: We're seeing consistent 2233-metrics-background-thread failures on target.

Change-Id: Ie394dbe90289b1472ac4c8876d01ece347541852

1 files changed, 0 insertions, 22 deletions

diff --git a/test/2233-metrics-background-thread/src/Main.java b/test/2233-metrics-background-thread/src/Main.java
deleted file mode 100644
index 30b25baef9..0000000000
--- a/test/2233-metrics-background-thread/src/Main.java
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-public class Main {
-  public static void main(String[] args) throws InterruptedException {
-    // Sleep for 1.5 seconds to give the metrics reporting thread a chance to report.
-    Thread.sleep(1500);
-  }
-}